Sambuca — Dual License

Copyright (c) 2026 Tony Koop / Heifer Zephyr.

This repository is dual-licensed by content type:

1. DESIGN FILES — CERN Open Hardware Licence Version 2 – Weakly Reciprocal
   (SPDX: CERN-OHL-W-2.0)

   Applies to the parametric design and everything from which a physical
   sambuca can be made. Specifically:

     - cad/                      (SolidWorks parts, equations file, design table)
     - drawings/                 (SVGs, manufacturing drawings)
     - cnc/                      (CNC operation plans)
     - harness/                  (harness assembly designs)
     - bom.csv
     - sourcing.csv
     - cut-list.csv
     - validation.csv
     - family-spec.csv

   See LICENSE-design.txt for the full license text, or:
   https://spdx.org/licenses/CERN-OHL-W-2.0.html

2. WRITTEN CONTENT AND MEDIA — Creative Commons Attribution 4.0 International
   (SPDX: CC-BY-4.0)

   Applies to documentation, photographs, the capstone deck, the printed
   shop packet, the build-log site, and any other narrative or media
   content. Specifically:

     - README.md
     - design.md
     - reverse-engineering.md
     - risks.md
     - assembly-manual.md
     - supplier-rfq.md
     - drawing-brief.md
     - visual-bom-brief.md
     - photo-shotlist.md
     - capstone-deck.md
     - capstone-deck.pptx
     - capstone-manifest.json
     - print-packet.md
     - print-packet.html
     - print-packet.pdf
     - site/
     - images/             (Tony's own photographs; third-party imagery
                            retains its own license as noted in captions)
     - learn-to-play/

   See LICENSE-content.txt for the full license text, or:
   https://spdx.org/licenses/CC-BY-4.0.html

3. WOLFRAM AND SCRIPT FILES — same as the file type they primarily belong to.

   - wolfram/*.wl is licensed under CERN-OHL-W-2.0 (it is part of the design
     model; modifications and derivatives should remain open hardware).
   - Any future scripts in scripts/ or tooling/ are licensed under
     CC-BY-4.0 unless the file itself carries a contrary header.

THIRD-PARTY MATERIAL

This repository references and credits third-party material that retains
its own license:

  - British Museum object 121198 photographs — © Trustees of the British
    Museum, CC BY-NC-SA 4.0. Photos by Don Hitchcock, 2015.
  - Herbology Manchester profile photo of BM 121198 — used with permission,
    via Tony Koop's direct upload, 2026-05-16.
  - Penn Museum object 47880 / B16728 (cylinder seal) imagery — courtesy
    Penn Museum, University of Pennsylvania.
  - Kora MasterLayout parametric template — Tony Koop, prior work, adopted
    as the structural pattern.

ATTRIBUTION REQUIREMENT

When you reuse files from this repository, please attribute as follows:

  "Sambuca" — Tony Koop / Heifer Zephyr.
  Source: https://github.com/tonykoop/sambuca
  Licensed dual: CERN-OHL-W-2.0 (design) / CC-BY-4.0 (content).

A short link plus the project name is enough; a longer caption is welcomed
in deck slides, articles, and exhibits.

NO WARRANTY

Both licenses include explicit disclaimers of warranty and limitations of
liability. See the individual license files for the full text. In short:
the sambuca design and documentation are provided "as is." Build at your
own risk; verify all dimensions and tensions before stringing any
instrument; respect the cultural-provenance language in design.md when
representing the work publicly.